Jump To:

• i
  i

  the imaginary number .
• I
  I

  noun

  the ninth letter of the English alphabet, a vowel.
• i-
  i-

  variant of y-.
• i.
  i.

  abbreviation

  imperator.
• -i-
  -i-

  the typical ending of the first element of compounds of Latin words, as -o- is of Greek words, but often used in English with a first element of any origin, if the second element is of Latin origin.
• I.
  I.

  abbreviation

  Independent.
• -i
  -i

  suffix

  of or relating to a region or people, esp of the Middle East

i

¹ American  

Mathematics.

1. Also called imaginary unit.  the imaginary number .

2. a unit vector on the x -axis of a coordinate system.

---

I ² American  

[ahy] / aɪ /

Or i

noun

I's, plural Is, plural i's, plural is plural

1. the ninth letter of the English alphabet, a vowel.

2. any spoken sound represented by the letter I or i, as in big, nice, or ski.

3. something having the shape of an I.

4. a written or printed representation of the letter I or i.

5. a device, as a printer's type, for reproducing the letter I or i.

---

I ³ American  

[ahy] / aɪ /

pronoun

we, plural nominative me, objective us, objective my, possessive mine, possessive our, possessive ours possessive

1. the nominative singular pronoun, used in referring to oneself, the person speaking, writing, or otherwise communicating.

---

noun

I's plural

1. (used to denote the narrator of a literary work written in the first person singular.)

2. Metaphysics. the ego.

I ⁴ American  

abbreviation

1. interstate (used with a number to designate an interstate highway).

   I-95.

---

I ⁵ American  

Symbol.

1. the ninth in order or in a series.

2. (sometimes lowercase) the Roman numeral for 1.

3. Chemistry. iodine.

4. Biochemistry. isoleucine.

5. Electricity. current.

6. Logic. particular affirmative.

7. (italics) isotopic spin.

---

i- ⁶ American  

1. variant of y-.

---

i. ⁷ American  

abbreviation

1. imperator.

2. incisor.

3. interest.

4. intransitive.

5. island.

6. isle; isles.

---

-i- ⁸ American  

1. the typical ending of the first element of compounds of Latin words, as -o- is of Greek words, but often used in English with a first element of any origin, if the second element is of Latin origin.

   cuneiform; Frenchify.

---

I. ⁹ American  

abbreviation

1. Independent.

2. Island; Islands.

3. Isle; Isles.

---

I ¹ British  

/ aɪ /

pronoun

1. (subjective) refers to the speaker or writer

---

I ² British  

symbol

1. chem iodine

2. physics current

3. physics isospin

4. logic a particular affirmative categorial statement, such as some men are married, often symbolized as SiP Compare A E O 1

5. one See Roman numerals

---

abbreviation

1. Italy (international car registration)

I. ³ British  

abbreviation

1. International

2. Island or Isle

---

-i- ⁴ British  

1. used between elements in a compound word Compare -o-

   cuneiform

   coniferous

---

i ⁵ British  

/ aɪ /

noun

1. the ninth letter and third vowel of the modern English alphabet

2. any of several speech sounds represented by this letter, in English as in bite or hit

3. 1. something shaped like an I

   2. ( in combination )

      an I-beam

4. to pay meticulous attention to detail

---

-i ⁶ British  

suffix

1. of or relating to a region or people, esp of the Middle East

   Iraqi

   Bangladeshi

---

i ⁷ British  

symbol

1. Also called: j.  the imaginary number √–1

---

i Scientific  

/ ī /

1. The number whose square is equal to −1. Numbers expressed in terms of i are called imaginary or complex numbers.

---

i Idioms  

1. see dot the i's and cross the t's.

---

Grammar

See me.

Other Word Forms

Noun Inflected Forms

• I's
  plural
• Is
  plural
• i's
  plural
• is
  plural
• mine
  possessive
• my
  possessive
• our
  possessive
• ours
  possessive

Etymology

Origin of I

First recorded before 900; Middle English ik, ich, i, Old English ic, ih; cognate with Gothic ik, German ich, Old Norse ek, Latin ego, Greek egṓ, Old Church Slavonic azŭ, Lithuanian aš, Sanskrit ahám

Example Sentences

See Examples For:

i I i- i. -i- I. -i I's Is i's is we me us mine my our ours

Seven & i Holdings raised its annual guidance after the war-driven surge in gasoline prices boosted earnings at its North American convenience-store business, sending quarterly net profit higher.

From The Wall Street Journal ● Jul. 9, 2026

YouTube surpassed Netflix in average daily viewing time in 2025, according to research firm Digital i cited in TechCrunch.

From Barron's ● Jul. 7, 2026

Andy Burnham's expected vow to "lift Britain back up" comes with what The i Paper calls the "biggest ever power transfer."

From BBC ● Jun. 28, 2026

"Britain set to break 50-year heat record" is the i Paper's top story, "smashing UK's June record from 1976".

From BBC ● Jun. 24, 2026

As early as the sixteenth century, mathematicians were using numbers with i included—the so-called complex numbers—to solve cubic and quartic polynomials.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

This poignant exhibition at the University of Cambridge spotlights work made during or after violent conflict, ranging from World War I ‘trench art’ to artifacts from the current war in Ukraine.

From The Wall Street Journal ● Jul. 15, 2026

“Ladies Room” was a zippy ode to the sanctity of a room of one’s own; “Time” promised that “It’s up to me to spend my time / I gave you yours, so give me mine.”

From Los Angeles Times ● Jul. 15, 2026

Mark Joseph Stern: There has been a lot of misunderstanding about exactly what the liberal justices did in B.P.J., and I want to clear that up.

From Slate ● Jul. 15, 2026

"I wanted to set something in that landscape as a way of reconnecting with her and to write about grief with humour and a lightness of touch."

From BBC ● Jul. 15, 2026

When I have my own property, I’m going to welcome everyone.

From "Will’s Race for Home" by Jewell Parker Rhodes

Yet that doesn't make its turnaround solely the work of one heavily stubbled mastermind, who saved a company through his singular vision, taste and liberal use of the i- prefix.

From The Guardian ● Jan. 25, 2011

But it wasn't until Cipla came out with the i- pill in 2007, marketing it to modern young women through television and magazine advertising, that women took to it.

From Time ● May 26, 2010

But there mingled in the bosom of the high-born Sussex an illiberal disdain of the-400--vol i- origin of Dudley, with a just abhorrence of his character and conduct.

From Memoirs of the Court of Queen Elizabeth by Aikin, Lucy

Lord Leonard Grey, late deputy of Ireland, was accused of favouring the escape of that persecuted-55--vol i- child his nephew Gerald Fitzgerald, of corresponding with cardinal Pole, and of various other offences called treasonable.

From Memoirs of the Court of Queen Elizabeth by Aikin, Lucy

Concerning that point indeed, my Sturmius, I have nothing certain to write to you, nor does any one truly-101--vol i- know what to judge.

From Memoirs of the Court of Queen Elizabeth by Aikin, Lucy

And a lot of people, not just the Gilbreths, were very worried that the “best women” i. e. highly educated women were not reproducing.

From Scientific American ● Sep. 21, 2023

Combining the results from parts i. and ii., draw a rough sketch of f .

From Textbooks ● Mar. 30, 2016

Properties i. and ii. say that line integrals are linear, which is true of single-variable integrals as well.

From Textbooks ● Mar. 30, 2016

Within minutes, I got my answer: “@sethporges yes. my girlfriend cathy and i. and i used to do puppet shows.”

From Forbes ● Jun. 26, 2012

Eden's History of the Working Classes, vol. i. p.

From History of European Morals From Augustus to Charlemagne (Vol. 2 of 2) by Lecky, William Edward Hartpole

It may be a connecting sound, like the -i- in nacht-i-gale.

From A Handbook of the English Language by Latham, R. G. (Robert Gordon)

The concord of the 4th prefix, Mi-, is gi-, -i-, -ji-, and sometimes -mi-.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" by Various

He also urged them not to allow partnerships between large corporations and the military, the way the German scientific community and government did with I. G. Farben and Krupp Armaments and Steel.

From Los Angeles Times ● Jun. 8, 2026

Born in Oregon to Taiwanese immigrants, Wang is herself a beneficiary of the doctrine she defended during the historic oral argument—as am I. Following the argument, interest in her background exploded.

From Slate ● May 26, 2026

Morris’s mother and father, respectively, were an accomplished organist and a mechanic who had been gassed in World War I. Like Waugh, Morris boarded as a teenager at Lancing College in West Sussex, England.

From The Wall Street Journal ● Apr. 23, 2026

Yes, Jonny didn't play up to scratch but neither did I. I was trying too hard because I wanted to win.

From BBC ● Mar. 26, 2026

“So did I. Don’t go away, please, unless you’d rather.”

From "Little Women" by Louisa May Alcott

Then, when you get to the step where you’re actually running the check-backup command, add -i ~/Downloads/pegasus.stix2 into the option section.

From The Verge ● Jul. 21, 2021

Singular masculine words end in -us, plurals end in -i.

From The Guardian ● Jun. 11, 2010

Pg 62 Sometimes it is not. toumba, to fall. toumbarèu, -ello, likely to fall. canta, to sing. cantarèu, -ello, songful. crese, to believe. creserèu, -ello, inclined to belief. -i.

From Frédéric Mistral Poet and Leader in Provence by Downer, Charles Alfred

The suffix -i, added to a noun stem, forms generally a neuter verb.

From The Mafulu Mountain People of British New Guinea by Williamson, Robert Wood

Flocculus -i: a hairy or bristly appendage on the posterior coxa of some Hymenoptera.

From Explanation of Terms Used in Entomology by Smith, John. B.

The company taking the top spot on Gauntlet I’s leaderboard External link was Skycutter, a British startup that partnered with Ukrainian drone company SkyFall.

From Barron's ● Apr. 28, 2026

They include everything from sketches of Apple logos to the bench and desk of the Apple I’s presentation at the Homebrew Computer Club a half-century ago.

From The Wall Street Journal ● Apr. 3, 2026

“I don’t carry beef with people. And I’m not going to get into the history of Doc and I’s relationship right now. And I probably won’t ever. He’s fine in my book.”

From Los Angeles Times ● Oct. 10, 2024

Child I's mother suggested senior managers should face sanctions if they ignore whistleblowers' concerns.

From BBC ● Sep. 19, 2024

Demi felt his back, as if expecting to find it like that of the watch, and then gravely remarked, “I dess Dod does it when I’s asleep.”

From "Little Women" by Louisa May Alcott

Is it possible, many have wondered, to foresee when and where a bluff might collapse — and perhaps even turn these predictions into early warning alerts?

From Los Angeles Times ● Jul. 14, 2026

Silence Is Talking by Reverend & The Makers is reborn as the terrace anthem, aided by the trumpeter in the England band playing the familiar riff taken from War's 1975 song Low Rider.

From BBC ● Jul. 13, 2026

Is it time to talk about mandatory retirement ages?

From Slate ● Jul. 13, 2026

Is there a smart way to manage an irregular income without feeling like every financial decision is a gamble?

From MarketWatch ● Jul. 13, 2026

Is it the creepy guy at number fifty-four who we always thought turned hedgehogs into wigs?

From "Code Name Kingfisher" by Liz Kessler

“No matter what the federal government was doing, they knew that if they weren’t dotting their i’s and crossing their t’s, they were going to get called to account,” Hilton said.

From Salon ● Jul. 15, 2026

"I had really dotted all the i's and crossed all the t's of the experiment," he said.

From Science Daily ● May 18, 2026

Sometimes, he says, “dotting i’s and crossing t’s has to come second to right and wrong.”

From The Wall Street Journal ● Oct. 16, 2025

A Japanese company of Seven & i's size has never been bought by a firm from overseas.

From BBC ● Oct. 8, 2024

She wrote in big curling script, and she dotted her letter i’s with stars.

From "Hopping Mad (The Hardy Boys: Secret Files, #4)" by Franklin W. Dixon

The anecdotes bolster the theory that the U.S. economy is becoming more “K-shaped,” with wealthy Americans thriving as stock prices jump while middle- and low-income Americans struggle, as their wages aren’t keeping up with inflation.

From MarketWatch ● Jul. 15, 2026

The only other company to use such directors is Ben & Jerry’s, an experiment that ended in spectacular failure.

From The Wall Street Journal ● Jul. 15, 2026

Energy Secretary Chris Wright said the U.S. had arranged to replace the 172 million barrels of SPR oil with about 200 million barrels within the next year, which is 20% more than the drawdown.

From MarketWatch ● Jul. 15, 2026

And the board is required to ignore profit entirely on safety and security matters, which are pervasive.

From The Wall Street Journal ● Jul. 15, 2026

One such man is Ishikawa Shingo, a captain in the Imperial Japanese Navy.

From "At Last She Stood" by Erin Entrada Kelly

If we’re going to play an important role in consumers’ lives today and moving forward, we have to be agile.

From The Wall Street Journal ● Jul. 15, 2026

There are steps we could take to make the court seem more like the public body it’s supposed to be.

From Slate ● Jul. 15, 2026

"This part of the Cairngorms National Park is popular with hillwalkers, and we ask that people remain vigilant while active firefighting continues."

From BBC ● Jul. 15, 2026

"If we do not see signs of disinflation soon, I am prepared to act," Federal Reserve governor Lisa Cook told an event in Washington.

From Barron's ● Jul. 15, 2026

I make eye contact and we do the nodding thing.

From "Split the Sky" by Marie Arnold

Tell me, Christopher Nolan, when did it first rosy-fingered dawn on you that your favorite type of protagonist — a tormented sinner-hero — was a specialty of the ancient Greeks?

From Los Angeles Times ● Jul. 15, 2026

"Is he apologising because he can't get his facts right or is he apologising for the hurt he's caused me?" he said.

From BBC ● Jul. 15, 2026

“This recipe gives me the ability to deploy capital to these companies when they trade below intrinsic value,” along with confidence to invest more during periods of industry drawdowns, he said.

From MarketWatch ● Jul. 15, 2026

Mr. Alexander is enough of a practical politician to avoid such an analogy, but allow me to illustrate.

From The Wall Street Journal ● Jul. 15, 2026

I don’t know what our pact is, but Ma includes me in ways Father never does.

From "Will’s Race for Home" by Jewell Parker Rhodes

“Many of us thought we’d now arrived at the era of making cars with robots, not human hands.”

From The Wall Street Journal ● Jul. 15, 2026

A new show at Roberts Projects lets us in on a different but equally foundational branch of Saar’s story: her costume design work.

From Los Angeles Times ● Jul. 15, 2026

We asked you to get in touch via BBC Your Voice to tell us who you thought should be included in a Scottish Hall of Fame and were overwhelmed by your responses.

From BBC ● Jul. 15, 2026

“For us, that means treating every stock as an ownership stake in the business,” he said.

From MarketWatch ● Jul. 15, 2026

“I picture us on a date all the time but can’t get around to asking you. I’m hoping to work up to it.”

From "Split the Sky" by Marie Arnold

Mining giant De Beers is suspending production at South Africa's biggest diamond mine for two years, as changing consumer habits continue to shrink profits.

From BBC ● Jul. 14, 2026

Knowing as a father that could have been me, could have been friends of mine, I felt very connected to those people.

From Los Angeles Times ● Jul. 14, 2026

De Beers announced Monday it will pause production at South Africa's largest diamond mine for two years to reduce costs while trading conditions remained tough.

From Barron's ● Jul. 13, 2026

UBS reckons the giant miner could be looking to complement its organic growth plans in lithium, aluminum and iron ore, as it ramps up recent copper projects such as the Oyu Tolgoi mine expansion.

From The Wall Street Journal ● Jul. 10, 2026

He smiles and tilts his head down, allowing his lips to brush mine, much like they did the first time on the path, and I know things are okay between us.

From "Red Flags and Butterflies" by Sheryl Azzam

Detained since late January 2025, he described his time already spent behind bars as “extraordinarily difficult” and said, “I did not betray my country.”

From The Wall Street Journal ● Jul. 15, 2026

“By the time she was my age she had four kids, one was my mum, and now I get to do this.”

From Los Angeles Times ● Jul. 15, 2026

"To have all these actors in my debut feature was out of this world."

From BBC ● Jul. 15, 2026

"I woke up this morning and I didn't have to carry my ID anymore," Maria Jesus Walda, a 34-year-old civil engineer, told AFP as she headed into Gibraltar.

From Barron's ● Jul. 15, 2026

I unwrap the packages, popping the red and yellow into my mouth.

From "Will’s Race for Home" by Jewell Parker Rhodes

After our 90-minute, $60 tour, Martin sold lobsters to go for $12.50 a piece, regardless of weight—a bargain.

From The Wall Street Journal ● Jul. 15, 2026

"After my mum passed away, I found myself returning frequently to west Wales, where our family is from," he told BBC Wales.

From BBC ● Jul. 15, 2026

"The other factor is the US economy is strong... they need our exports and you're seeing US businesses increasingly increase their orders for our Canadian exports."

From Barron's ● Jul. 15, 2026

He said Conagra had what was “probably our strongest innovation pipeline” in place to engage consumers.

From MarketWatch ● Jul. 15, 2026

Caesar is our friend—I wasn’t too late to understand that.

From "Will’s Race for Home" by Jewell Parker Rhodes

Ideally, I need to get to $250,000 to buy a modest apartment so my kid can have a place that is ours and has no debt associated with it.

From MarketWatch ● Jul. 14, 2026

"Their spirit was high, and ours is high as we welcome them."

From Barron's ● Jul. 10, 2026

Ellis' granddaughter Laura Enston welcomed the news and said: "The shadow of Ruth's execution has fallen across two generations. We have carried shame that was never ours to bear."

From BBC ● Jul. 8, 2026

That year, a million people gathered on the National Mall to witness an historic fireworks display, while we, in our little corner of the world, enjoyed ours.

From Salon ● Jul. 3, 2026

“He’s an old patient of ours come to visit. All recovered now.”

From "The Boy Who Met a Whale" by Nizrana Farook

Related Words

• he
• it
• she
• sie
• they
• ve
• xe
• you
• ze
• zie